I'd guess the 'Garden of Eden' as referenced in the Abrahamic religious traditions might have been in today's Sahara:
> "Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes."
If you're referencing the likely near-extinction of humans ~74,000 years ago, it's not clear anyone in the relatively recent past would have remembered that:
> "Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes."
https://www.nature.com/scitable/knowledge/library/green-saha...
If you're referencing the likely near-extinction of humans ~74,000 years ago, it's not clear anyone in the relatively recent past would have remembered that:
https://en.wikipedia.org/wiki/Toba_catastrophe_theory